September 30, 2010 3:00 PM ET
Mel Kiper has Stanford QB Andrew Luck sitting atop of his big board. Luck faces what likely will be Stanford's toughest test of the season at Oregon. A win and a good performance there not only would supplement Luck's draft status but also could thrust his name into the Heisman discussion. He's just one of the players Kiper is watching this weekend. Mel and Todd McShay preview this weekend's games.